<template>
	<view class="login-container">
		
		 <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
		<text class="tips-text">登录后尽享更多权益</text>
	</view>
</template>

<script>
	import {mapMutations,mapState} from 'vuex'
	
	export default {
		data() {
			return {
				
			};
		},
		computed:{
			...mapState('m_user',['redirectInfo'])
		},
		methods:{
			...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
			//用户授权后获取用户的基本信息
			getUserProfile(res){
				uni.getUserProfile({
					desc: '请求授权', // 声明获取用户个人信息后的用途，后续会展示在弹窗中，请谨慎填写
					success: (res) => {
					
					      // 这部分是更新用户信息的
					
					      this.updateUserInfo(res.userInfo)
					
					      this.getToken(res)
					
					     },
						
					     fail: (res) => {return uni.$showMsg("已取消登录授权") },
						  })
			},
			async getToken(info){
			 //获取code对应的值
			 const [err,res] = await uni.login().catch(err =>err)
			 if(err || res.errMsg !=='login:ok') return uni.$showMsg('登录失败！')
			 
			 //准备参数
			 const query ={
				 code: res.code,
				 encryptedData: info.encryptedData,
				 iv: info.iv,
				 rawData:info.rawData,
				 sagnature: info.signature
			 }
			 const{data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin', query)
			 if(loginResult.meta.status === 200) return uni.$showMsg('登录失败')
			 
			 this.updateToken("Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo")
			 this.navigateBack()
			 },
			 navigateBack(){
				 //同时满足vuex中存了redirectInfo,switchTab就能进行跳转
				 if(this.redirectInfo && this.redirectInfo.openType==='switchTab')
				 uni.switchTab({
				 	url:this.redirectInfo.from,
					//跳转成功后将redirectInfo重置为空
					complete: () => {
						this.updateRedirectInfo(null)
					}
				 })
			 }
		}
	}
</script>

<style lang="scss">
.login-container{
	height: 750rpx;
	background-color: #F8F8F8;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	.btn-login{
		width: 90%;
		border-radius: 100px;
		margin:15px 0;
		background-color: #C00000;
	}
	.tips-text{
		font-size: 12px;
		color: gray;
	}
}
</style>
